A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5975-01-485-7491
NSN 6610-01-245-8015
NSN 5915-00-431-3157
NSN 5835-00-757-3558
NSN 6320-01-562-1599
NSN 6130-01-044-5436
NSN 5835-01-411-7050
NSN 5990-00-479-9157
NSN 6685-00-316-1157
NSN 6620-01-180-5855
NSN 6240-00-676-5813
NSN 6240-01-619-3317